From ebd6acbb068b6558735eb80aabce1e7af9e78e1e Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 26 May 2014 12:09:06 +1000 Subject: [PATCH] drm/g94-/disp: add method to power-off dp lanes Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/engine/disp/nv94.c | 1 + drivers/gpu/drm/nouveau/core/engine/disp/nva3.c | 1 + drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c | 1 + drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c | 28 ++++++++++++++++++++++ drivers/gpu/drm/nouveau/core/include/core/class.h | 4 ++++ 5 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c index 240b69a..4f718a9 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c @@ -77,6 +77,7 @@ nv94_disp_base_omthds[] = { { SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd }, + { SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd }, { DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd }, { DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd }, { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd }, diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c index 705c678..019124d 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c @@ -50,6 +50,7 @@ nva3_disp_base_omthds[] = { { SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd }, { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd }, + { SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd }, { DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd }, { DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd }, { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd }, diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 4eb16e9..254a7a1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -887,6 +887,7 @@ nvd0_disp_base_omthds[] = { { SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd }, { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd }, + { SOR_MTHD(NV94_DISP_SOR_DP_PWR) , nv50_sor_mthd }, { DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd }, { DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd }, { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd }, diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c index 526b752..e183277 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c @@ -47,8 +47,12 @@ int nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) { struct nv50_disp_priv *priv = (void *)object->engine; + const u8 type = (mthd & NV50_DISP_SOR_MTHD_TYPE) >> 12; const u8 head = (mthd & NV50_DISP_SOR_MTHD_HEAD) >> 3; + const u8 link = (mthd & NV50_DISP_SOR_MTHD_LINK) >> 2; const u8 or = (mthd & NV50_DISP_SOR_MTHD_OR); + const u16 mask = (0x0100 << head) | (0x0040 << link) | (0x0001 << or); + struct nvkm_output *outp = NULL, *temp; u32 data; int ret = -EINVAL; @@ -56,6 +60,13 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) return -EINVAL; data = *(u32 *)args; + list_for_each_entry(temp, &priv->base.outp, head) { + if ((temp->info.hasht & 0xff) == type && + (temp->info.hashm & mask) == mask) { + outp = temp; + break; + } + } switch (mthd & ~0x3f) { case NV50_DISP_SOR_PWR: @@ -71,6 +82,23 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID; ret = 0; break; + case NV94_DISP_SOR_DP_PWR: + if (outp) { + struct nvkm_output_dp *outpdp = (void *)outp; + switch (data) { + case NV94_DISP_SOR_DP_PWR_STATE_OFF: + ((struct nvkm_output_dp_impl *)nv_oclass(outp)) + ->lnk_pwr(outpdp, 0); + atomic_set(&outpdp->lt.done, 0); + break; + case NV94_DISP_SOR_DP_PWR_STATE_ON: + nvkm_output_dp_train(&outpdp->base, 0, true); + break; + default: + return -EINVAL; + } + } + break; default: BUG_ON(1); } diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h index 9c0cd73..e0c812b 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/class.h +++ b/drivers/gpu/drm/nouveau/core/include/core/class.h @@ -295,6 +295,10 @@ struct nv04_display_scanoutpos { #define NV84_DISP_SOR_HDMI_PWR_REKEY 0x0000007f #define NV50_DISP_SOR_LVDS_SCRIPT 0x00013000 #define NV50_DISP_SOR_LVDS_SCRIPT_ID 0x0000ffff +#define NV94_DISP_SOR_DP_PWR 0x00016000 +#define NV94_DISP_SOR_DP_PWR_STATE 0x00000001 +#define NV94_DISP_SOR_DP_PWR_STATE_OFF 0x00000000 +#define NV94_DISP_SOR_DP_PWR_STATE_ON 0x00000001 #define NV50_DISP_DAC_MTHD 0x00020000 #define NV50_DISP_DAC_MTHD_TYPE 0x0000f000 -- 2.7.4